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0.5W Solar Panel with Wires
Price: $4.17
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Elecrow Item #: EL-PS5570SPW -

    Need a clean energy source for your project? Check out this compact, high quality, high output endurable solar panel. This solar panel mates directly with many of our development boards and has a high efficiency. Unit has a clear epoxy coating with hard-board backing, provides an efficient and waterproof surface for the panel application on out-door projects.     Contrast to these solar panels without wires, the wires and connectors help you using the solar panel more...

1W Solar Panel with Wires
Price: $10.06
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Elecrow Item #: EL-PS80100SPW -

    Need a clean energy source for your project? Check out this compact, high quality, high output endurable solar panel. This solar panel mates directly with many of our development boards and has a high efficiency. Unit has a clear epoxy coating with hard-board backing, provides an efficient and waterproof surface for the panel application on out-door projects.     Contrast to these solar panels without wires, the wires and connectors help you using the solar panel more...

40  Pin Break Away Male Header- Long Straight-10 Pcs
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Price: $8.71
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DFRobot Item #: FIT0105 -

These are a longer version of our standard break away headers. They are 10mm long which allows you use them socket to socket. The plastic separator can be slid up or down to accommodate your needs. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. It is used on Arduino Ethernet Shield.|ShippingList| 40 Pin Header x10

400 Tie Point Interlocking Solderless Breadboard
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Price: $5.00
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DFRobot Item #: FIT0096 -

The 400 Tie Point Interlocking Solderless Breadboard is a cute half size breadboard, good for small projects. It is 8.2cm x 6.2cm in size with a standard double-strip in the middle and two power rails on both sides. You can pull the power rails off easily to make the breadboard as thin as 3.5cm and stick it onto an Arduino protoshield. You can also cut these in half with a saw to create 2 tiny breadboards, or "snap" these breadboards together either way to make longer or wider...

400 TIE POINT INTERLOCKING SOLDERLESS BREADBOARD - Crystal
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Price: $5.95
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DFRobot Item #: FIT0096-C -

The 400 Tie Point Interlocking Solderless Breadboard is a cute half size breadboard, good for small projects. It is 8.2cm(3.23") x 6.2cm(2.44") in size with a standard double-strip in the middle and two power rails on both sides. You can pull the power rails off easily to make the breadboard as thin as 3.5cm and stick it onto an Arduino protoshield. You can also cut these in half with a saw to create 2 tiny breadboards, or "snap" these breadboards together either way to make longer or wider...

Acrylic Case for LattePanda - Cooling Fan Compatible!
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Price: $12.93
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DFRobot Item #: FIT0474 -

This acrylic case is a solid enclosure for your LattePanda single board computer. It protects the board from ESD damage and the transparent acrylic lets you view the indicator LEDs directly. There is easy access to USB, HDMI, SD and GPIO and antenna. The design has been revised so that it can accommodate the LattePanda cooling fan kit. There is also plenty of room for mounting heatsinks to the CPU directly if you wish. Assembly is simple and printed assembly instructions are included. The...

Acrylic Enclosure for Arduino UNO R3 - Transparent
Price: $5.63
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Elecrow Item #: EL-ASC01038A -

This product is protective case of Arduino UNO R3, fastened by screws. It is made by high grade acryl, which provides excellent protection, with fashion appearance. This is unique design provides easy connection to other components. Installation Drawing of Arduino UNO R3 Demoboard Shell 1. Tear off the protective film on the shell surface. 2. Install board 2 on board 1. 3. Install the demoboard to 1 with four prices of M2*10 screws and fix the middle parts with transparent washers. 4. Then,...

Acrylic Enclosure Kit_A for Raspberry Pi B+
Price: $13.24
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Elecrow Item #: EL-RA000078AA -

Keep your Raspberry Pi computer safe and sound in this lovely clear acrylic enclosure. This enclosure is special designed for the Raspberry Pi Model B+. It comes as 6 pieces of acrylic boards and some other modules such DC fan, heat sink and even screwdriver, to help user better experience with the Raspberry Pi Model B+.     This ingenious design has no screws or standoffs and there are cute little feet cut into the sides so that it stands up above your desk. There are...

Acrylic Romeo Base - Star
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Price: $2.67
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DFRobot Item #: DWG0004-S -

Last month, We released the UNO Base. A beautiful acrylic base for Arduino UNO. It&;#39;s a nice gift for my UNO baby. It&;#39;s a nice shoe, a good protection, an eye-catching killer. Then my UNO is extremely different to others. This time we offer more choise for the Xboard Relay and Romeo. Transparent acrylic panels looks crystal clear and clean. Two different choise for different hobbies. The basic version is a atable base and the special version is more eye-catching. My girl friend has...

Acrylic UNO Base
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Price: $2.59
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DFRobot Item #: DWG0003 -

Arduino UNO is a very popular product, many makers to use it to build their own project.Last week, our beautiful girl engineer suddenly blurting: "If it has a nice base and this stick ah!", Let's make it! "We compared a variety of different colors and materials, after repeated screening, and ultimately to select it: 68% transmittance, milky white, double-sided frosted acrylic panels?Made in Germany? High precision laser cutting and high-quality raw materials to produce this beautiful base.It...

Acrylic Xboard Relay Base - Universe
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Price: $2.07
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DFRobot Item #: DWG0005-U -

Last month, We released the UNO Base. A beautiful acrylic base for Arduino UNO (similar as DFRduino UNO). It's a nice gift for my UNO baby. It's a nice shoe, a good protection, an eye-catching killer. Then my UNO is extremely different to others. This time we offer more choise for the Xboard Relay and Romeo - an Arduino Robot Control Board. Transparent acrylic panels looks crystal clear and clean. Two different choise for different hobbies. The basic version is a atable base and the special...

Adjustable Screen Holder
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Price: $3.36
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DFRobot Item #: FIT0561 -

This is an adjustable screen holder, made of all-metal iron material, with it, you can tilt your display on the desktop. It is simple and easy to use. You can adjust to different tilt angle. The holder is made of metal materials, simple structure, easy to use. The bracket is provided with rotating screws to adjust the stability of elastic reinforcement, which is suitable for different size display, and it is recommended to cooperate with 7 inches or larger panel or screen.|Features|Multiple...

Advanced Banana Pi Case - Tactical Black
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Price: $22.24
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DFRobot Item #: FIT0396-B -

This nice and solid case for Banana Pi is a perfect choice for taking your Banana Pi anywhere. Made from ABS plastic and surfaced with mirror finishing, this case is functional yet stylish. Without only six steps of easy installation, you will have a cool, lightweight and unique enclosure case for your Banana Pi.|Features| High quality; Fashion design; Professional design; Glass style surface; Ultra light; Simple installation; Perfectly matched to Banana Pi|Specification| Material: 100% ABS...

Advanced Banana Pi Case - White
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Price: $22.24
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DFRobot Item #: FIT0396-W -

This nice and solid case for Banana Pi is a perfect choice for taking your Banana Pi anywhere. Made from ABS plastic and surfaced with mirror finishing, this case is functional yet stylish. Without only six steps of easy installation, you will have a cool, lightweight and unique enclosure case for your Banana Pi.|Features| High quality; Fashion design; Professional design; Glass style surface; Ultra light; Simple installation; Perfectly matched to Banana Pi|Specification| Material: 100% ABS...

Air Quality Monitor (PM 2.5, Formaldehyde, Temperature &; Humidity Sensor)
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Price: $136.18
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DFRobot Item #: SEN0233 -

This is a multifunction air quality monitor that can be detected not only the concentration of particles and formaldehyde but also the value of temperature and humidity. As the particle concentration sensor it can be used to obtain the number of suspended particles in the air by laser. It also integrates in it an electrochemical probe for formaldehyde and an one- chip sensor for temperature and humidity. The sensor can be inserted into variable instruments related to the environment parameters...

Aluminum Alloy Metal Case for Raspberry Pi B+/2B/3B
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Price: $34.39
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DFRobot Item #: FIT0460 -

This credit card-sized case is designed specifically for protecting Raspberry Pi B+/2B/3B. It is made by aluminum alloy and has a durable side panel. The GPIOs is available when opening the panel. This case reserves two wall-mounting holes, a Micro SD card slot and some consumer ports.It is compatible with Raspberry Pi 3 model B, Raspberry Pi 2 model B and Raspberry Pi B+|Specification| Dimension: 12.5cm x 8.7cm x 4.8cm (4.92''x 3.42''x 1.89'') Weight: 120g|Documents| Assemble guide...

Aluminum Case For Raspberry Pi B+/2B/3B
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Price: $30.86
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DFRobot Item #: FIT0417 -

Give your Pi a stylish, solid and sweet home! This elegantly crafted Raspberry Pi model B+/Pi 2 model B case is designed for the perfect combination of durability, affordability, and strength. It comes with high quality aluminium casing, CNC metal processing, high-precision dimensions and anodic oxidation processing. Its rigid design also makes it a work of art. The grooved bottom design makes it easy for you to use GPIO cables.Fully compatible with Raspberry Pi 3 model B. Raspberry Pi 2 model...

Aluminum Heatsink Cooling Fan for LattePanda
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Price: $20.69
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DFRobot Item #: FIT0504 -

The low profile ultra low noise fan keeps your LattePanda running at a stable temperature. The 2-Pin jumper connector makes it easily to connect with the CN2 headers on the board.The aluminum heat sink includes an adhesive thermal pad on the rear that can stick on the metal shield on the board. With its aluminum casing, heat from CPU will be absorbed fast, giving you the best performance. This is a simple and effective way to keep your Lattepanda(win10 mini pc) cool!Note: Please pay attention...

Anemometer Kit (0-5V)
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Price: $94.04
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DFRobot Item #: SEN0170 -

Ever want to build your own weather station? This anemometer is made of shell, wind cups and circuit module. It has built-in photovoltaic module, industrial microcomputer processor, and standard current generator. Made with aluminium alloy, the anemomter is of high strength, weather resistance and corrosion resistance. The millitary quality interface ensures long life of this anemometer, at the same time enhancing the accuracy of wind speed acquisition. Together with other components, this...

Antbo DIY Robot Kit - The Best Robot for Kids
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Price: $205.14
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DFRobot Item #: ROB0140 -

Antbo is an assembling bionic robot. Kids will learn basic robotic knowledge and movement principles during the process of assembling the robot. Antbo uses nearly dozen sensors, simulation artificial neuron network through the movement system and optimized gait algorithm to simulate the movement of insects. Rich interactive mode allows users to interact with the robot to have a variety of interesting, but also can use the Antbo app to control robot or voice control.Antbo’s form takes...

Basic Bread Board With Slot - 16.5*5.5 cm
Price: $11.92
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Elecrow Item #: EL-PBB01655W -

Description This is a full size breadboard with dimension 16.5*5.5 cm. It has two power rails on the sides to allow more than one power level.With a total of 830 tie in points, all pins are spaced by a standard 0.1"(2.54mm). It has a self-adhesive on the back and also interlocking parts, so you can hook as many together as you'd like. Features 830 Tie Point Self adhesive Can be interlocked 2 power lanes Dimensions: 16.5 * 5.5 cm ...

Basic Bread Board With Slot - 8.3*5.5 cm
Price: $4.97
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Elecrow Item #: EL-PBB08555W -

Description This is a half size breadboard with dimension 8.3*5.5 cm. It has two power rails on the sides to allow more than one power level. In addition, it can make the breadboard as thin as 3.5cm and stick it onto an Arduino protoshield by pull the power rails off easily. With a total of 400 tie in points, all pins are spaced by a standard 0.1"(2.54mm). It has a self-adhesive on the back and also interlocking parts, so you can hook as many together as you'd like. Features 400 Tie Point Self...

BLE Wireless Gamepad V2
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Price: $97.40
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DFRobot Item #: DFR0304 -

Wondering if your newly bought gamepad can be used to both playing games and controlling a robot? The new BLE 4.0 wireless gamepad V2.0 produced by DFROBOT can meet all your requirements. Based on TI CC2540 Bluetooth chip design, it is specially designed for DIY players and does not need programming. This gamepad is using hardware scanning structure, high respond speed and supports one keyboard toggle between central and peripheral roles. Under central device mode, it can be connected to any...

Bluno Link - A USB  Bluetooth 4.0 (BLE) Dongle
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Price: $17.07
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DFRobot Item #: TEL0087 -

Add bluetooth 4.0 to your PC, Mac directly with this USB BLE-Link. It uses the USB package which is compact and compatible with v2.1 and earlier, and also supports the latest v4.0/Bluetooth Low Energy. Now you could use this adapter to receive/transmit data. With two USB-BLE Link users can do point-to-point wireless transparent transmission, master-slave machine setting, and wireless programming. It can also work as a PC BLE wireless programming adapter. Comaptible all DFRobot BLE series...

Bluno M3 -  A STM32 ARM with Bluetooth 4.0 (Arduino Compatible)
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Price: $51.54
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DFRobot Item #: DFR0329 -

The Bluno M3 is a new Arduino compatible prototyping platform based on a 32-bit ARM processor. This arduino microcontroller integrates a Bluetooth 4.0 chip and a STM32 ARM controller on the board. As a member of Bluno family, Bluno M3 inherits most common Bluno features, such as bluetooth connectivity, Bluetooth wireless programming and mobile phone controlling. In addition, thanks to its new 32-bit microcontroller, Bluno M3 has a much more powerful performance, more storage space and more...

Bluno Nano - An Arduino Nano with Bluetooth 4.0
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Price: $42.92
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DFRobot Item #: DFR0296 -

Here comes the second member in DFRobot Bluno family, the Bluno Nano. Came in a size of a gum, the Bluno Nano is perfect for BLE projects with limited space or weight. Everything is getting smart now: wristbands and watches monitor your daily behaviors and become social; phone-controlled camera add-ons move and take shots as you like; smart gardens grow virtually in your ipad and sharing is made easy... The Bluetooth Low Energy technology has made it easy and achievable. It is exciting to see...

Breadboard Jumper Cables High Quality (30 Pack)
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Price: $7.76
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DFRobot Item #: FIT0154 -

This is a DFRobot exclusive! This is a high quality jumper cable. Hand made with 22AWG multistrand wire and sturdy male pins. Each jumper cable has an approximate 210mm lenght. Each pack comes with ten jumper cables(different colors available).These jumper cables are perfect for bread boards, Arduino, or any other application where you might be frequently plugging and unplugging jumper cables. These cables are very resistant and have a stiff durrable pin which is tough to bend or break when...

Breakout Board for SC16IS750 I2C-SPI-to-UART IC
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Price: $17.97
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Sparkfun Item #: BOB-09981 -

Breakout Board for SC16IS750 I2C/SPI-to-UART IC Description: This is a breakout board for the SC16IS750, a handy chip used to convert I2C or SPI serial signals to a single-channel, high-performance UART. As an application example: we use this chip on our WiFly Shield to allow an Arduino to communicate with the WiFly RN-131G module - which is normally controlled via a UART - using an SPI interface. This allows for greater communication speeds and frees up the Arduino's UART for...

Bus Pirate
Price: $34.44
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Sparkfun Item #: TOL-09544 -

Bus Pirate Description: The Bus Pirate, created by Ian Lesnet and featured on Hack a Day, is a troubleshooting tool that communicates between a PC and any embedded device over most standard serial protocols, which include I2C, SPI, and asynchronous serial - all at voltages from 0-5.5VDC. This product eliminates a ton of early prototyping effort when working with new or unknown chips. Working with the Bus Pirate is simple and effective - type commands into a terminal on your computer, those...

Cookie I/O Expansion Shield
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Price: $13.45
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DFRobot Item #: DFR0375 -

The Cookie I/O expansion shield is designed for beginners to electronics. The shield is directly compatible with the gravity series. We have implemented fail-safe systems to prevent bad connections from destroying the board. The board is protected from reverse voltage input. And connector ports only accept connections the correct way around. These fail safes make the board ideal for beginners and classroom settings - no need to worry about your students making the wrong connections!|Specificati...

Creator-4Shuttlecock Kit
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Price: $13.79
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DFRobot Item #: TOY0059 -

Playing shuttlecock has been a traditional leisure activity in China, in which players try to keep a weighted shuttlecock in the air using their feet, shin, knee without using the hands. According to study, the first form of shuttlecock playing was discovered during the Spring and Autumn Period, which was over 2000 years ago. Now, this traditional game has evovled and is played on a court similar to badminton and volleyball, or be played artistically, among a circle of players in a street or...

Crimp Pins for Female Housing Pins(PH2.54)
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Price: $1.71
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DFRobot Item #: FIT0210 -

This is a package of crimp pins for female housing pins with the pitch of 2.54mm(0.1"). You can make customized cables that mate with the 0.1"-spaced male pins. |ShippingList| Crimp Pin for Female Housing Pin(PH2.54) x50

ECell: Breadboard-Plugin Capacitor
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Price: $7.93
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DFRobot Item #: FIT0424 -

Introducing "The Breadboard-Plugin Kit" - the first kit in the ECell series. The Breadboard-Plugin Kit provides a range of common components such as resistors, capacitors, diodes, transistors etc. that are compatible with a solderless breadboard. This capacitor package module has gold-plated pins making it solid and durable and also gives it excellent conductivity. It plugs neatly and easily in the breadboard and is both reliable and reusable.Using this innovative approach solves common...

ECell: Breadboard-Plugin Components Pack
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Price: $34.30
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DFRobot Item #: KIT0098 -

Breadboard-Plugin Components Pack is a new kit designed for breadboard experiment. It provides many kinds of components, such as resistors, capacitors, diodes, transistor .etc. The module pins are using gold-plating technology, solid and durable. It could be plugged on the breadboard directly. easy, reliable and reusable.This innovative approach will solve the following issues caused by using DIP type of components: Hard to read the value (Resistor color codes) Severe deformations of the pin...

ECell: Breadboard-Plugin Connector
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Price: $4.83
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DFRobot Item #: FIT0428 -

Introducing "The Breadboard-Plugin Kit" - the first kit in the ECell series. The Breadboard-Plugin Kit provides a range of common components such as resistors, capacitors, diodes, transistors etc. that are compatible with a solderless breadboard. This Breadboard-Plugin Connector has gold-plated pins making it solid and durable and also gives it excellent conductivity. It plugs neatly and easily in the breadboard and is both reliable and reusable.Using this innovative approach solves common...

ECell: Breadboard-Plugin Diode and Transistor
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Price: $10.00
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DFRobot Item #: FIT0426 -

Introducing "The Breadboard-Plugin Kit" - the first kit in the ECell series. The Breadboard-Plugin Kit provides a range of common components such as resistors, capacitors, diodes, transistors etc. that are compatible with a solderless breadboard. This Diode package module has gold-plated pins making it solid and durable and also gives it excellent conductivity. It plugs neatly and easily in the breadboard and is both reliable and reusable.Using this innovative approach solves common problems...

ECell: Breadboard-Plugin LED
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Price: $11.03
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DFRobot Item #: FIT0425 -

Introducing "The Breadboard-Plugin Kit" - the first kit in the ECell series. The Breadboard-Plugin Kit provides a range of common components such as resistors, capacitors, diodes, transistors etc. that are compatible with a solderless breadboard. This LED package module has gold-plated pins making it solid and durable and also gives it excellent conductivity. It plugs neatly and easily in the breadboard and is both reliable and reusable.Using this innovative approach solves common problems...

ECell: Breadboard-Plugin Resistor
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Price: $11.89
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DFRobot Item #: FIT0423 -

Introducing "The Breadboard-Plugin Kit" - the first kit in the ECell series. The Breadboard-Plugin Kit provides a range of common components such as resistors, capacitors, diodes, transistors etc. that are compatible with a solderless breadboard. This resistor package module has gold-plated pins making it solid and durable and also gives it excellent conductivity. It plugs neatly and easily in the breadboard and is both reliable and reusable.Using this innovative approach solves common...

FireBeetle Covers-Gravity I/O Expansion Shield
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Price: $11.89
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DFRobot Item #: DFR0483 -

DFRobot FireBeetle series is the low-power consumption micro-controller intentionally designed for Internet of Things (IoT). The series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories. FireBeetle Covers-Gravity I/O Expansion Shield is an adapter for Gravity sensors and modules. With this...

FireBeetle Covers-LoRa Radio 915MHz
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Price: $30.86
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DFRobot Item #: TEL0122 -

DFRobot FireBeetle series are low power consumption controllers designed for Internet of Things (IoT) development. The FireBeetle series are aiming straight at the point fast and convenient low-power IoT building. There are three categories of FireBeetle series, containing Boards (main control), Covers (expansion boards) and related Accessories.FireBeetle LoRa 915MHz wireless transmission module adopts a high-performance chip SX127x LoRa 915MHz and with built-in PA (power amplifier) gain,...

FireBeetle Covers-Proto Board
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Price: $6.03
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DFRobot Item #: DFR0481 -

DFRobot FireBeetle series is the low-power consumption micro-controller intentionally designed for Internet of Things (IoT). The series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories.Proto Board is compatible with products of FireBeetle series. There are 14×7 general 2.54mm solder...

FireBeetle Covers-Proto Board Doubler
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Price: $7.76
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DFRobot Item #: DFR0482 -

DFRobot FireBeetle series is the low-power consumption micro-controller intentionally designed for Internet of Things (IoT). The series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories.Proto Board Doubler is compatible with products of FireBeetle series. There are 14×7×2 general...

FireBeetle ESP8266 IOT Microcontroller (Supports Wi-Fi)
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Price: $20.51
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DFRobot Item #: DFR0489 -

DFRobot FireBeetle is a series of low-power-consumption development hardware designed for Internet of Things (IoT). Firebeetle ESP8266 is a development board integrated with IoT WiFi, TCP/IP, 32-bit MCU, 10-bit ADC and multiple interfaces such as HSPI, UART, PWM, I2C and I2S. In DTIM10, the full power consumption to maintain WiFi connection reached to 1.2mW. Equipped with 16MB outer SPI flash memory, ESP8266 is available for programs and firmware storage.Compatible with Arduino programming...

Flexible Solar Panel (1.5v 250mA)
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Price: $22.32
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DFRobot Item #: FIT0333 -

Light, thin and versatile solar panel at 1.5V/250MA. Unlike regular solar panels, it is truly flexible to be bent, sewed or treated in the clothing to match any kind of surface line. A good choice for DIY enthusiasts in selecting an alternative power source. Clean energy, in a compact size and a versatile form. The black edges can be easily cut or sewed, and the solar panel is waterproof. |Applications| Travelling Business office Outdoor camping |Specification| Operating Voltage: 1.5V...

I2C 20x4 Arduino LCD Display Module
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Price: $40.60
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DFRobot Item #: DFR0154 -

This is a 20x4 Arduino compatible LCD display module with high speed I2C interface. It is able to display 20x4 characters on two lines, white characters on blue background.Generally, LCD display will run out of Arduino pin resource. It needs 6 digital pins and 2 power pin for a LCD display. If you want to build a robot project, it will be a problem with Arduino UNO and LCD display. This I2C 20x4 LCD display module is designed for Arduino microcontroller. It is using I2C communication...

Industrial pH Electrode - Armor Casing
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Price: $85.33
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DFRobot Item #: FIT0348 -

This pH combination electrode is made of sensitive glass membrane with low impedance.It can be used in a variety of PH measurements with fast response, good thermal stability.It has the good reproducibility, difficult to hydrolysis, and basically eliminate the alkali error .In 0 to 14pH range,the output voltage of the electrode is linear.The reference system which consist of the Ag/AgCl gel electrolyte salt bridge has a stable half-cell potential and excellent anti-pollution performance.The...

Input Shield for Arduino
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Price: $27.67
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DFRobot Item #: DFR0008 -

The upgraded Arduino Input Shield includes a two axis mini joystick (with moment switch) as well as four colored push buttons(Red,Yellow,Blue,Green). The reserved APC220 Radio Data Module(SKU:TEL0005) interface and the Xbee interface is deisgned to facilitate the realization of wireless rocker button controller. The shield can be easily stacked on top of your Arduino boards. It can also connect with OLED2864 & OLED9664.|Features| Dual axis mini joystick Connects to your Arduino using male to...

Insectbot Hexa -An Arduino Based Walking Robot Kit For Kids
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Price: $64.64
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DFRobot Item #: KIT0090 -

With a celebrated reputation as an affordable, simple and fun-to-play DIY robot kit, the Insectbot breed has now evoled to its second generation: the Insectbot Hexa-An Arduino Based Walking Robot Kit For Kids.Tools Needed Soldering iron Scissors Screwdriver PliersVersion Update: The new Insectbot Hexa V2 uses Beetle BLE(The smallest Arduino bluetooth 4.0) instead of Beetle, which supports wireless programming and communication. Explore much more possibilities with Bluetooth 4.0!An apology:...